Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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01/01/1991
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Application #:
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07425798
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Filing Dt:
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10/23/1989
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Inventors:
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B. LEON EDINGTON, TAWASSUL A. KHAN
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Title:
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METHOD OF SOURCE CODING AND HARMONIC CANCELLATION FOR VIBRATIONAL GEOPHYSICAL SURVEY SOURCES
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 7800 BANNER DRIVE, |
| DALLAS,, TEXAS 75251 |
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| HILARY E. PEARSON |
| ARNOLD, WHITE & DURKEE |
| P. O. BOX 443 |
| HOUSTON, TX 77210 |
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Assignment:
2
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MERGER (SEE DOCUMENT FOR DETAILS).
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| P.O. BOX 1431 |
| 1015 BOIS D'ARC |
| DUNCAN, OKLAHOMA 73536-0102 |
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| HALLIBURTON ENERGY SERVICES |
| JAMES R. DUNZAN |
| P.O. BOX 1431 |
| 1015 BOIS D'ARC |
| DUNCAN, OKLAHOMA 73536-0102 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| 10205 WESTHEIMER ROAD |
| HOUSTON, TEXAS 77042 |
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| PAUL S. MADAN |
| WESTERN ATLAS INTERNATIONAL, INC. |
| 10205 WESTHEIMER ROAD |
| HOUSTON, TX 77042 |
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Assignment:
4
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| P.O. BOX 2469 |
| 10001 RICHMOND AVENUE |
| HOUSTON, TEXAS 77042 |
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| WESTERN GECO INTELLECTUAL PROPERTY DEPT |
| DAVID S. FIGATNER |
| 10001 RICHMOND AVENUE |
| HOUSTON, TX 44042-4299 |
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